6.3 Preparation before test

6.3.1 Installation of the cylinder: excavate a test pit with a sizematched to the cylinder at the bottom of the test adit, remove looserocks on the bottom of and around the pit, and then pour a levelinglayer of C30 concrete at the pit bottom. Afterwards, ......（本文共 3340 字 , 1 张图）     [阅读本文]>>